Extrusion for LED based lighting apparatus



FIG. 1 is a top perspective view of the extrusion for LED based lighting apparatus, showing the new design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is rear view thereof; and,

FIG. 6 is a bottom view thereof.

The broken lines in the drawings depict portions of the extrusion for LED based lighting apparatus that form no part of the claimed design. 

CLAIM The ornamental design for an extrusion for LED based lighting apparatus, as shown and described. 